Cosmos

Flower

When to Plant Cosmos

Enter your ZIP Code to customize Cosmos planting dates for your area (based on local frost dates).

Tip: Enter your ZIP to see exact seed-start / transplant / direct-sow timing for your area.

Strong companions

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Pest-control pairings

Acorn Squash icon Acorn Squash
Severity: medium
Improves pollination
Arugula icon Arugula
Severity: medium
Supports beneficial insects
Banana Peppers icon Banana Peppers
Severity: medium
Attracts beneficial insects
Banana Peppers icon Banana Peppers
Severity: medium
Attracts beneficial insects
Bell Peppers icon Bell Peppers
Severity: medium
Attracts beneficial insects
Bok Choy icon Bok Choy
Severity: medium
Supports beneficial insects
Broccoli icon Broccoli
Severity: medium
Supports beneficial insects
Brussels Sprouts icon Brussels Sprouts
Severity: medium
Supports beneficial insects
Bush Beans
Severity: medium
Reduces pest pressure
Butternut Squash icon Butternut Squash
Severity: medium
Improves pollination
Cabbage icon Cabbage
Severity: medium
Supports beneficial insects
Cantaloupe icon Cantaloupe
Severity: medium
Improves pollination
Cauliflower icon Cauliflower
Severity: medium
Supports beneficial insects
Chinese Cabbage (Napa) icon Chinese Cabbage (Napa)
Severity: medium
Supports beneficial insects
Collard Greens icon Collard Greens
Severity: medium
Supports beneficial insects
Cowpeas (Southern Peas) icon Cowpeas (Southern Peas)
Severity: medium
Reduces pest pressure
Cucumbers icon Cucumbers
Severity: medium
Improves pollination
Daikon Radish icon Daikon Radish
Severity: medium
Supports beneficial insects
Eggplant icon Eggplant
Severity: medium
Attracts beneficial insects
Fava Beans icon Fava Beans
Severity: medium
Reduces pest pressure
Green Beans icon Green Beans
Severity: medium
Reduces pest pressure
Ground Cherries icon Ground Cherries
Severity: medium
Attracts beneficial insects
Honeydew icon Honeydew
Severity: medium
Improves pollination
Hot Peppers (General) icon Hot Peppers (General)
Severity: medium
Attracts beneficial insects
Jalapeño Peppers icon Jalapeño Peppers
Severity: medium
Attracts beneficial insects
Kale icon Kale
Severity: medium
Supports beneficial insects
Kohlrabi icon Kohlrabi
Severity: medium
Supports beneficial insects
Lima Beans icon Lima Beans
Severity: medium
Reduces pest pressure
Mustard Greens icon Mustard Greens
Severity: medium
Supports beneficial insects
Peas icon Peas
Severity: medium
Reduces pest pressure
Pickling Cucumbers icon Pickling Cucumbers
Severity: medium
Improves pollination
Poblano Peppers icon Poblano Peppers
Severity: medium
Attracts beneficial insects
Pole Beans
Severity: medium
Reduces pest pressure
Pumpkins icon Pumpkins
Severity: medium
Improves pollination
Radishes icon Radishes
Severity: medium
Supports beneficial insects
Romanesco
Severity: medium
Supports beneficial insects
Soybeans (Edamame) icon Soybeans (Edamame)
Severity: medium
Reduces pest pressure
Tatsoi icon Tatsoi
Severity: medium
Supports beneficial insects
Tomatillos
Severity: medium
Attracts beneficial insects
Tomatoes icon Tomatoes
Severity: medium
Attracts beneficial insects
Turnip Greens icon Turnip Greens
Severity: medium
Supports beneficial insects
Watermelon icon Watermelon
Severity: medium
Improves pollination
Wax Beans
Severity: medium
Reduces pest pressure
Winter Squash (General) icon Winter Squash (General)
Severity: medium
Improves pollination
Yellow Squash icon Yellow Squash
Severity: medium
Improves pollination
Zucchini icon Zucchini
Severity: medium
Improves pollination
Beets icon Beets
Severity: low
Garden biodiversity
Butterhead Lettuce icon Butterhead Lettuce
Severity: low
Garden biodiversity
Carrots icon Carrots
Severity: low
Garden biodiversity
Endive
Severity: low
Garden biodiversity
Escarole icon Escarole
Severity: low
Garden biodiversity
Iceberg Lettuce icon Iceberg Lettuce
Severity: low
Garden biodiversity
Jerusalem Artichoke (Sunchoke) icon Jerusalem Artichoke (Sunchoke)
Severity: low
Garden biodiversity
Lettuce icon Lettuce
Severity: low
Garden biodiversity
Parsnips icon Parsnips
Severity: low
Garden biodiversity
Potatoes icon Potatoes
Severity: low
Garden biodiversity
Romaine Lettuce icon Romaine Lettuce
Severity: low
Garden biodiversity
Rutabaga icon Rutabaga
Severity: low
Garden biodiversity
Spinach icon Spinach
Severity: low
Garden biodiversity
Sweet Corn icon Sweet Corn
Severity: low
Garden biodiversity
Sweet Potatoes icon Sweet Potatoes
Severity: low
Garden biodiversity
Swiss Chard icon Swiss Chard
Severity: low
Garden biodiversity
Turnips icon Turnips
Severity: low
Garden biodiversity

Avoid planting with

Mint icon Mint
Severity: medium
Aggressive spreader
Mint icon Mint
Severity: medium
Aggressive spreader